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The University of Arizona: Richard F. Caris Mirror Lab Tour

The University of Arizona Steward Observatory 933 N. Cherry Ave., Tucson

This 90-minute tour provides a unique opportunity to learn how innovative engineering and optical technology melds with manufacturing techniques to produce the largest and most advanced giant (8.4 meters / 27 ft)  telescope mirrors in the world on the University of Arizona campus. Visitors will see the unparalleled technology and revolutionary processes in making the...

$20 – $25

Flandrau Science Center & Planetarium: SPOOKY Touring the Solar System

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Take a guided journey through the Solar System's darkest corners, where beauty masks cosmic horrors. Through Jupiter's eternal storms and Saturn's deadly rings... Discover a universe full of wonders and unique frights! Audience: General, all ages Style: Live star talk     All-Inclusive Planetarium Show Tickets Show tickets include access to all science center exhibits...

Free – $27

Patterson Observatory: Free Observation Night

Patterson Observatory at the University of Arizona Sierra Vista Campus 1140 Colombo Ave., Sierra Vista

Public Night is held once a month on the Thursday nearest first quarter moon. Observing starts a half hour after sunset.  The event is weather dependent and is canceled in the event of clouds or inclement weather.  Admission is free, but space is limited.  Guests wishing to attend this in-person event must register. The University...

Free

Yuma County Library District: Spooky Stargazing

Yuma County Library District - Main Library 2951 S. 21st Dr., Yuma

Spooky Stargazing strikes again! Bring your binoculars, telescopes, and lawn chairs for prime planet and stargazing. Costumes encouraged. Thematic candies - supply limited.

Free